Fan



FIG. 1 is a perspective view of top, front, and right side of a fan showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof.

FIG. 8 is a perspective view of top, rear, and left side thereof; and,

FIG. 9 is a perspective view of top, front, and right side thereof with a detachable battery shown in broken lines which is included for the purpose of illustrating environmental structure and which forms no part of the claimed design.

The broken line showing of the structural elements in the figures is included for the purpose of illustrating portions of the fan and forms no part of the claimed design. 

The ornamental design for a fan, as shown and described. 